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34c2c8c8a4
Closes the last future-wave candidate from wave 8 by eliminating the
Icon.media(Media, ...) enum case in StorageFileListPanelComponent.swift
and dropping import Postbox. StorageUsageScreen (the module as a whole)
is now fully Postbox-free.
Icon enum split:
case media(Media, TelegramMediaImageRepresentation) ->
case mediaFile(TelegramMediaFile, TelegramMediaImageRepresentation)
case mediaImage(TelegramMediaImage, TelegramMediaImageRepresentation)
Equatable rewritten as switch-over-tuple with id-based equality per
concrete type (lFile.fileId == rFile.fileId / lImage.imageId ==
rImage.imageId), same semantics as the old media.id comparison.
Binding site: `if case let .media(media, representation)` +
`as? TelegramMediaFile` / `as? TelegramMediaImage` downcasts ->
compound case-binding `case let .mediaFile(_, representation), let
.mediaImage(_, representation):` to lift the shared representation
variable, plus an inner switch for the setSignal branch. The compiler-
enforced exhaustiveness of the split improves call-site safety.
Construction sites (2): `.media(file, representation)` -> `.mediaFile(
file, representation)`, `.media(image, representation)` -> `.mediaImage(
image, representation)`.
Placeholder fixup:
messageId: EngineMessage.Id(peerId: PeerId(namespace: PeerId.Namespace
._internalFromInt32Value(0), id: PeerId.Id._internalFromInt64Value(0)
), namespace: 0, id: 0)
->
messageId: EngineMessage.Id(peerId: component.context.account.peerId,
namespace: 0, id: 0)
Inside a measureItem layout-measurement instance. Caught by second-pass
build failure `cannot find 'PeerId' in scope`. PeerId / PeerId.Namespace
/ PeerId.Id are raw Postbox types (not TelegramCore typealiases —
consistent with wave 9's MessageId -> EngineMessage.Id fixup). Using
context.account.peerId is semantically equivalent for the measurement
use case (messageId only feeds image-fetch userLocation and Equatable
comparison, neither exercised for this standalone instance).
Net: 1 file changed, +22 / -29 lines.
Plan: docs/superpowers/plans/2026-04-20-postbox-to-telegramengine-wave-10.md
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>